Amazon.com: GIM KB-14 RGB PC Light Strip for Gaming Case, Compatible with GIM Hub, Magnetic Addressable LED Strip Kit, 5V ARGB 3Pin Header for Asus Aura, Asrock LED, Gigabyte RGB Fusion, MSI
Bausatz: LED-Blitzer / LED-Blinker
HowTo: Tasmota - Build "Lampy" the lamp yourself - Nerdiy.de - Nerdy DIY HowTo's about electronic, 3D-printing and more.
LED Wechselblinker DIY - YouTube
Blink LED selber bauen - mit dem NE555 Timer | Wohnen-Heimwerken
Hell blinkende LED – archaisch analog! | Elektor Magazine